Advanced engineering

Public infrastructure born from private needs.

Part of our advantage is building foundational tools. These platforms show the control, performance and judgment behind our work.

Bun-first backend framework

S42-Core

A modular framework for autonomous backends, combining routing, modules, events, data adapters and clustering into a coherent production experience.

Native Bun runtime
full, mws and share modules
MongoDB, SQL, SQLite and Redis
EN/ES documentation

Open project

Browser-first data client

S42 Turso Connect

A web client for managing Turso SQLite databases directly from the browser, with risk classification and explicit controls before destructive operations.

Session-only credentials by default
Optional encrypted local vault
SQL console with risk prompts
SQL and CSV export

Open project